Effects of similarity of discrimination problems on learning and retention in retardates.
D000704:Analysis of Variance; D002648:Child; D002675:Child, Preschool; D003116:Color; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D008570:Memory, Short-Term; D011214:Practice, Psychological